CN102016474B - Device for performing chemical and/or physical reactions between a solid material and a gas - Google Patents
Device for performing chemical and/or physical reactions between a solid material and a gas Download PDFInfo
- Publication number
- CN102016474B CN102016474B CN2008801288269A CN200880128826A CN102016474B CN 102016474 B CN102016474 B CN 102016474B CN 2008801288269 A CN2008801288269 A CN 2008801288269A CN 200880128826 A CN200880128826 A CN 200880128826A CN 102016474 B CN102016474 B CN 102016474B
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- Prior art keywords
- spiral
- disengagement chamber
- circuit
- solid
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/2016—Arrangements of preheating devices for the charge
- F27B7/2025—Arrangements of preheating devices for the charge consisting of a single string of cyclones
- F27B7/2033—Arrangements of preheating devices for the charge consisting of a single string of cyclones with means for precalcining the raw material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2415—Tubular reactors
- B01J19/243—Tubular reactors spirally, concentrically or zigzag wound
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/005—Separating solid material from the gas/liquid stream
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/08—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/10—Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material
- F28C3/12—Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material the heat-exchange medium being a particulate material and a gas, vapour, or liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cyclones (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Separating Particles In Gases By Inertia (AREA)
- Furnace Details (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The device according to the invention for performing chemical and/or physical reactions between a solid material and a gas, particularly for preheating, cooling, and/or calcining fine-grained materials is made substantially of a helical and/or spiral pipeline in which a gas-solid suspension is separated into a solid stream and a gas stream by centrifugal forces, and at least one deposition area connected to the end of the helical or spiral pipeline and connected to a gas line for removing the gas stream or formed by a part of the gas line, a solid material pipeline for removing the solid stream being connected to said deposition area. The helical and/or spiral pipeline opens tangentially into the deposition chamber at an angle of at least 30 DEG to the horizontal, and the cross section of the deposition chamber in the area of the opening is 0.5 to 1.5 times the size of the cross section of the helical and/or spiral pipeline.
Description
Technical field
This patent relates to the device that carries out chemistry between solid-state material and gas and/or physical reactions, especially for carrying out the device that those have arranged a plurality of stages of reaction that fine particulate materials is preheated, cools off and/or calcines.
Background technology
Especially, the system that comprises parallel flow heat exchanger and cyclone separator is very common in cement sectors and mining industry, is usually used in fine particulate materials is preheated, cools off and/or calcines.These devices have a plurality of stages of reaction of mapping out usually.Air-flow is directed to and rises by each stage, and provides solid material to each stage in the opposite direction.
There are some shortcomings in said system.Owing to need cyclone separator to have huge structure height and very high separating degree, so always not gratifying.For instance, the caused uncontrollable air-flow of stack between the back draught of regular meeting's appearance suction gas and the inner rough air that produces of cyclone separator or the generation of cyclone separator cone in the cyclone separator porch.And then, make the particle that has separated at the cyclone separator edge be introduced in again in the suction air-flow of cyclone separator.
Another problem of said system is, if structural form varies in size, and suction velocity is identical, and then centrifugal force can change, thereby has produced different separation conditions.
Therefore, in US 4318697, propose, the cement raw material multistage is preheated, all have the circuit of a rising circuit and helical form of adjoining and/or spiral in each separate phases, then the circuit of spiral and/or spiral has the square-section and is connected with the side of parallelepiped disengagement chamber.Link position extends in the whole side of parallelepiped disengagement chamber.The bottom of disengagement chamber narrows down in funnelform mode, is used for deriving when upwards gas is guided solid-state material.
Summary of the invention
The problem that the present invention solves is, carries out chemistry between solid-state material and the gas and/or the device of physical reactions, and this device is especially fine particulate materials to be preheated, cools off and/or calcines about the degree of separation in disengagement chamber.
According to the present invention, solved the problem that proposes in the invention by the feature in the claim 1.
Be used for carrying out chemistry and/or physical reactions between solid-state material and the gas according to device of the present invention, this device is applied to fine particulate materials is preheated especially, cooling and/or calcining, comprise at least one is separated into gas and solid-state material suspension solid-state material stream and air-flow with centrifugal force spiral and/or spiral circuit in essence, and at least one disengagement chamber, this disengagement chamber is connected to spiral and/or spiral circuit end and is connected to gas line to derive gas, perhaps this disengagement chamber is formed by the part of gas line, and one is connected to the solid-state material circuit of disengagement chamber so that solid-state material is derived.Spiral and/or spiral circuit have opening with the angle with respect to horizontal level at least 30 degree in disengagement chamber, the cross section size of disengagement chamber in the open area is 0.5 times～1.5 times of cross section size of spiral and/or spiral circuit.
Therefore, spiral and/or spiral circuit are at the angle that has at least 30 degree to the open area of disengagement chamber with respect to horizontal level.
According to the present invention, spiral and/or spiral circuit refer to the structure that at least a portion is built as spiral and/or spiral.Spiral and/or spiral circuit also can especially only extend in relatively little angular range rotation, such as, 90 degree.
With US 4,318, the structure in 692 is different to be, spiral and/or spiral circuit are not connected fully with the side of disengagement chamber, but tangentially connects.US 4,318, and the spiral in 692 and/or spiral circuit more are that the joint sleeve by horizontal direction leads to disengagement chamber.
Spiral and/or spiral circuit become the junction at 30 degree angles to make solid-state material stream guide along the curve of disengagement chamber wall downwards together with tangent opening with respect to horizontal level at least.On the other hand, air-flow is upwards discharged with the form of rotation.
Find that by the experiment that forms basis of the present invention the cross section of disengagement chamber on the open area is that spiral and/or spiral circuit cross section 0.5 times ~ 1.5 times have conclusive importance.If the cross section of spiral and/or spiral circuit changes in its length, then the emphasis aspect of cross section relation is exactly the cross section that enters the open area of disengagement chamber at the cross section of spiral and/or spiral circuit.
In traditional cyclone separator, though the suspension route of gas and solid-state material also is tangent the connection usually, the cross section with respect to disengagement chamber has small cross section in fact, and they are connected horizontally.
Find that by the experiment that forms basis of the present invention device according to the present invention has been realized very outstanding separating degree and the less relatively pressure loss.And, for import disengagement chamber solid-state material/gas stream and be exported the solid-state material stream of disengagement chamber and air-flow without any negative influence.
Dependent claims relates to other structures of the present invention.
According to preferred structure of the present invention, disengagement chamber is manufactured conglobate, and is especially rotational symmetric.
In addition, the solid-state material circuit links to each other with disengagement chamber in the disengagement chamber bottom, and gas line links to each other with disengagement chamber on disengagement chamber top.Disengagement chamber bottom and then narrow down in the funnel-form mode, then the solid-state material circuit is connected to the disengagement chamber part that narrows down in the funnel-form mode.
The cross section size of disengagement chamber in the open area is preferably 0.5 ~ 1.5 times of gas line cross section size.According to a kind of structure of the present invention, disengagement chamber has been formed at the bottom of gas line, and still, gas line also can extend into disengagement chamber in the mode of sewer pipe.
This device especially can be used to pre-heater or the calcinatory of manufacture of cement.Under the situation as pre-heater, have the multistage of a plurality of disengagement chambers and relational coiling and/or spiral circuit and/or the device advantageous particularly of multithreading.
Description of drawings
With reference to following description and accompanying drawing, other advantages of the present invention and structure are described in detail.
Fig. 1 is the side view according to device of the present invention;
Fig. 2 is that Fig. 1 revolves the side view that turn 90 degrees;
Fig. 3 is the top view according to the device of Fig. 1;
Fig. 4 is that disengagement chamber is along the cutaway view of the IV-IV line among Fig. 1;
The cutaway view of the V-V line that Fig. 5 is spiral and/or spiral circuit in Fig. 3;
Fig. 6 is the side view according to second embodiment of device of the present invention;
Fig. 7 is the side view according to the 3rd embodiment of device of the present invention;
Fig. 8 is the side view with device of three sections ladder operations;
Fig. 9 is the top view according to this device of Fig. 8;
Figure 10 is the three-dimensional example for the manufacture of the device of cement clinker.
The specific embodiment
Fig. 1 to Fig. 5 shows be used to carrying out chemistry between solid-state material 5 and the gas 6 and/or the device of physical reactions.This device can be the device of in cement production process fine particulate materials being heat-treated, as, pre-heater or calcinatory.
In fact this device comprised gas and solid-state material suspension circuit 1, for separating of the disengagement chamber 2 of the solid-state material that is added into and the gas that is added into, be used for deriving the solid-state material circuit 3 of isolated solid-state material and the gas line 4 that is used for deriving isolated gas.
In order to carry out chemistry and/or the physical reactions between solid-state material 5 and gas, by gas and solid-state material suspension circuit 1 gas and solid-state material suspension are provided to disengagement chamber 2.
Gas and solid-state material suspension circuit 1 have rising circuit pack and decline circuit pack, and the rising circuit pack is rising circuit 1a, and the decline circuit in the shape of a spiral and/or spiral circuit 1b.Steering head 1c also is provided, and steering head 1c is connected to spiral and/or spiral circuit 1b with rising circuit 1a.Vertically look, the start-up portion of spiral and/or spiral circuit 1b will be higher than its openend on disengagement chamber 2 at least.
In spiral and/or spiral circuit 1b, gas and solid-state material suspension are because action of centrifugal force is separated into solid-state material stream and air-flow.
In illustrated embodiment, spiral and/or spiral circuit 1b enter disengagement chamber 2 with respect to horizontal direction with at least 30 α angles of spending (preferably spending in 60 degree scopes 30) tangentially opening.In the open area, the part 2b that narrows down in the funnel-form mode of disengagement chamber 2 links to each other with its cylindrical part 2a.
Solid-state material circuit 3 is connected to the part 2b that narrows down in the funnel-form mode of disengagement chamber, and the cylindrical 2a of disengagement chamber partly imports gas line 4.
In illustrated embodiment, the cylindrical part 2a of gas line 4 and disengagement chamber has identical diameter.Therefore, can also say so that namely disengagement chamber is that bottom by gas line 4 forms.
Fig. 4 and Fig. 5 illustrate the cross section IV-IV in the disengagement chamber 2 among Fig. 1, and the cross section V-V of spiral and/or spiral circuit 1b among Fig. 3.
The clean cross section of disengagement chamber at spiral and/or spiral line opening place should be 0.5～1.5 times of clean cross section of spiral and/or spiral circuit.
Since the downward importing that above-mentioned size and spiral and/or spiral circuit 1b tilt and with 2 tangent connections of disengagement chamber, solid-state material 5 is directed to the part 2b that narrows down in the funnel-form mode of disengagement chamber along curve, arrives solid-state material circuit 3(then and sees Fig. 1 and Fig. 3).
6 one-tenth swirling eddies of gas are upwards exported to gas line 4(along the inwall of disengagement chamber cylindrical part 2a and are seen Fig. 1).Air-flow is tilted to down and imports to that disengagement chamber 2 has also been avoided swirling eddy that disengagement chamber produces and to suck air-flow superimposed at the place, open area of spiral and/or spiral circuit 1b.
As seen from Figure 3, spiral and/or the vortex circuit 1b angles of about 180 degree that extended.But, according to the present invention, angular range can be selected to bigger or littler.The radius of any spiral that may change gas and solid-state material suspension direction and/or spiral circuit 1b and/or slope and/or shape of cross section and/or cross section size all are feasible.
Fig. 6 shows an embodiment, and gas line 4.1 has the diameter littler than disengagement chamber 2, and is inserted in the disengagement chamber 2 in the mode of downcomer.
In the embodiment according to Fig. 7, gas line 4.2 has the diameter big than disengagement chamber 2, and, find that in the test that forms basis of the present invention disengagement chamber 2 is more favourable when the cross section at place, open area is 0.5～1.5 times of gas line cross section.
And gas line should have first and second cross sectional dimensions and/or shape at least on airflow direction.
The axis of spiral and/or spiral circuit 1b is preferably vertically, and still, when spiral and/or spiral circuit 1b rotation, it also is possible that its axis has an inclination with respect to vertical line.
Hereinafter described following device with reference to Fig. 8 and Fig. 9, this device comprises three phases I, II, III, and for example this device is three stage pre-heaters for cement raw material, and independently the stage all can make up according to Fig. 1 to Fig. 7 for each.
In this multistage device, by solid-state material circuit 3 " ' solid-state material to be processed is provided among the top layer Phase III I, derive from the bottom Phase I with solid-state material 5 forms after the processing then.When the gas line in per stage was incorporated the rising circuit of next stage into, the solid-state material line conduction was in the zone of the riser of each separate phases.
And then, when solid-state material is imported to three phases by downward direction, gas this device of flowing through in the opposite direction.The gas 6 that is added into the bottom stage may be the hot waste gas of reacting furnace or calcinatory.The phase III by gas line 4 " derive gas 6 " be provided to the filter that is connected the downstream or efficiently separator (for example) to carry out dedusting.The solid-state material of handling 5 arrives for example calcinatory or reacting furnace, to carry out subsequent treatment.
Because the structure of gas and solid-state material suspension circuit 1 has spiral or the spiral circuit 1b of rising circuit 1a and decline, three phases can be arranged very compactly and mutual winding." b makes it to be the guiding (see figure 9) with counter clockwise direction in a clockwise direction can also alternately to make up spiral or the spiral circuit 1b of at least two adjacent phases, 1 ' b, 1.
According to the present invention, can be at radius and/or slope and/or shape of cross section and/or the cross sectional dimensions of gas and the mobile direction change spiral of solid-state material suspension and/or spiral circuit 1b.Under aforesaid way, can influence the pre-separation of gas and solid-state material suspension on the one hand in the zone of spiral and/or spiral circuit, can make spiral and/or vortex circuit 1b be adapted to external environment on the other hand.During mutually nested and ladder operation, this mode is particularly advantageous when the multistage.
Radius, slope, shape of cross section and/or cross sectional dimensions can also change suddenly on the flow direction and/or at least one part on change continuously.Such as, the increase that reduces to have brought centrifugal force of radius, perhaps the change of radius brings reducing of centrifugal force greatly.Change cross sectional dimensions and shape and can influence flow rate of fluid.
At last, Figure 10 is a kind of three-dimensional example of device of in cement production process fine particulate materials being heat-treated, and this device has cylindrical rotary kiln 10, calcinatory 2 and pre-heater 30.Can make up calcinatory 20 and/or pre-heater 30 according to the described device of Fig. 1 to Fig. 9.
Claims (13)
1. device that is used for carrying out chemistry between solid-state material and gas and/or physical reactions, described device has:
At least one spiral or spiral circuit (1b), gas and solid-state material suspension are separated into solid-state material stream (5) and air-flow (6) by centrifugal force in described spiral or spiral circuit; And
At least one disengagement chamber (2), described disengagement chamber are connected to an end of spiral or spiral circuit and are connected to gas line (4; 4.1; 4.2) to discharge gas or to be formed by the part of gas line;
The solid-state material circuit, it is connected to disengagement chamber to discharge solid-state material stream;
Described device is characterised in that spiral or spiral circuit (1b) are oriented in a tangential direction with the angle (α) with respect to horizontal direction 30 degree at least and is communicated with disengagement chamber (2) that the cross section size that disengagement chamber (2) is located in the open area that is communicated with spiral or spiral circuit is spiral or spiral circuit cross section size 0.5～1.5 times.
2. device according to claim 1 is characterized in that having described disengagement chamber (2) and is built as circle.
3. device according to claim 1 is characterized in that described disengagement chamber (2) is gas line (4 in the cross section size at place, described open area; 4.1; 4.2) 0.5～1.5 times of cross section size.
4. device according to claim 1 is characterized in that described solid-state material circuit (3) is connected to the bottom of described disengagement chamber (2), and described gas line (4) is connected to the top of described disengagement chamber.
5. device according to claim 1 is characterized in that described disengagement chamber (2) is configured to narrow down in the funnel-form mode.
6. device according to claim 5 is characterized in that described solid-state material circuit (3) is connected to the part (2b) that narrows down in the funnel-form mode of described disengagement chamber (2).
7. device according to claim 1 is characterized in that described gas line (4.1) extends into described disengagement chamber in the downcomer mode.
8. device according to claim 1 is characterized in that described gas line (4) has at least the first and second cross sectional dimensions and/or shape in gas flow direction.
9. device according to claim 1 is characterized in that, when spiral or spiral circuit (1b) rotation, axis tilts with respect to vertical direction.
10. device according to claim 1 is characterized in that, described device is and has a plurality of disengagement chambers the form of the device of multistage of (2,2 ', 2 ' ') and relational coiling or vortex circuit (1b, 1 ' b, 1 ' ' b) or multithreading.
11. device according to claim 1 is characterized in that described disengagement chamber (2) is built as the rotation symmetry.
12. device according to claim 1 is characterized in that described disengagement chamber (2) and described gas line (4.1; 4.2) have different diameters.
13. be used for carrying out chemistry between solid-state material and the gas and/or the method for physical reactions, described method has according to the described device of claim before one or more, wherein, the mode of the swirling eddy that generates in described disengagement chamber (2) with described air-flow by spiral or spiral circuit (1b) is incorporated into disengagement chamber (2) with gas and solid-state material suspension.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2008/058108 WO2009155977A1 (en) | 2008-06-25 | 2008-06-25 | Device for performing chemical and/or physical reactions between a solid material and a gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102016474A CN102016474A (en) | 2011-04-13 |
| CN102016474B true CN102016474B (en) | 2013-09-11 |
Family
ID=40416950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008801288269A Expired - Fee Related CN102016474B (en) | 2008-06-25 | 2008-06-25 | Device for performing chemical and/or physical reactions between a solid material and a gas |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US20110097679A1 (en) |
| EP (1) | EP2195595B1 (en) |
| JP (1) | JP2011526351A (en) |
| CN (1) | CN102016474B (en) |
| AT (1) | ATE520943T1 (en) |
| BR (1) | BRPI0822596A2 (en) |
| CA (1) | CA2725019A1 (en) |
| DK (1) | DK2195595T3 (en) |
| ES (1) | ES2370094T3 (en) |
| MX (1) | MX2010014515A (en) |
| WO (1) | WO2009155977A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4209296A (en) * | 1977-09-30 | 1980-06-24 | Klockner-Humboldt-Deutz Aktiengesellschaft | Apparatus and method for the thermal treatment of fine grained material |
| US4318692A (en) * | 1981-01-02 | 1982-03-09 | Allis-Chalmers Corporation | Helical duct gas/meal separator |
| US4997363A (en) * | 1989-01-18 | 1991-03-05 | F. L. Smidth & Co. A/S | Method and apparatus for producing cement clinker |
| DE10309575A1 (en) * | 2003-03-05 | 2004-09-30 | OCé PRINTING SYSTEMS GMBH | Cyclotron for removing exhaust air in electro-photographic printers and copiers comprises separator, suction channel and removal channel |
| CN2815487Y (en) * | 2005-08-12 | 2006-09-13 | 周凤举 | Internal back streaming tower fluidized_bed reactor with habyrinth helical fin diversion baffle |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3327951A (en) * | 1964-04-01 | 1967-06-27 | Bose Marion John Du | Complete continuous wet mica grinding process |
| JPS60241955A (en) * | 1984-04-13 | 1985-11-30 | Mitsubishi Heavy Ind Ltd | Cyclone separator |
| CA2691834A1 (en) * | 2007-08-07 | 2009-02-12 | Polysius Ag | A device for separating a solid material and a gas and a plant for cement manufacture |
-
2008
- 2008-06-25 CA CA2725019A patent/CA2725019A1/en not_active Abandoned
- 2008-06-25 DK DK08774298.7T patent/DK2195595T3/en active
- 2008-06-25 WO PCT/EP2008/058108 patent/WO2009155977A1/en active Application Filing
- 2008-06-25 MX MX2010014515A patent/MX2010014515A/en not_active Application Discontinuation
- 2008-06-25 ES ES08774298T patent/ES2370094T3/en active Active
- 2008-06-25 EP EP08774298A patent/EP2195595B1/en not_active Not-in-force
- 2008-06-25 JP JP2011515125A patent/JP2011526351A/en active Pending
- 2008-06-25 BR BRPI0822596A patent/BRPI0822596A2/en not_active IP Right Cessation
- 2008-06-25 US US12/997,105 patent/US20110097679A1/en not_active Abandoned
- 2008-06-25 AT AT08774298T patent/ATE520943T1/en active
- 2008-06-25 CN CN2008801288269A patent/CN102016474B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4209296A (en) * | 1977-09-30 | 1980-06-24 | Klockner-Humboldt-Deutz Aktiengesellschaft | Apparatus and method for the thermal treatment of fine grained material |
| US4318692A (en) * | 1981-01-02 | 1982-03-09 | Allis-Chalmers Corporation | Helical duct gas/meal separator |
| US4997363A (en) * | 1989-01-18 | 1991-03-05 | F. L. Smidth & Co. A/S | Method and apparatus for producing cement clinker |
| DE10309575A1 (en) * | 2003-03-05 | 2004-09-30 | OCé PRINTING SYSTEMS GMBH | Cyclotron for removing exhaust air in electro-photographic printers and copiers comprises separator, suction channel and removal channel |
| CN2815487Y (en) * | 2005-08-12 | 2006-09-13 | 周凤举 | Internal back streaming tower fluidized_bed reactor with habyrinth helical fin diversion baffle |
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0822596A2 (en) | 2019-08-27 |
| MX2010014515A (en) | 2011-02-22 |
| EP2195595A1 (en) | 2010-06-16 |
| JP2011526351A (en) | 2011-10-06 |
| CN102016474A (en) | 2011-04-13 |
| WO2009155977A1 (en) | 2009-12-30 |
| DK2195595T3 (en) | 2011-12-05 |
| EP2195595B1 (en) | 2011-08-17 |
| CA2725019A1 (en) | 2009-12-30 |
| ES2370094T3 (en) | 2011-12-12 |
| ATE520943T1 (en) | 2011-09-15 |
| US20110097679A1 (en) | 2011-04-28 |
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